Home / 622,835.16-859,512.40-336,355.20

Finding the Fourth Proportional to 622,835.16, 859,512.40 and 336,355.20

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Solution

The fourth proportional to 622,835.16, 859,512.40 and 336,355.20 is: 464,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,835.16 : 859,512.40 = 336,355.20 : x
  2. Step 2: Convert to fraction form
    622,835.16/859,512.40 = 336,355.20/x
  3. Step 3: Cross multiply
    622,835.16x = 859,512.40 × 336,355.20
  4. Step 4: Simplify right side
    622,835.16x = 289,101,465,204.48
  5. Step 5: Solve for x
    x = 289,101,465,204.48/622,835.16
  6. Step 6: Final answer
    x = 464,170.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.